144
0001784277
XXXXXXXX
LIVE
0000354190
Arthur J. Gallagher & Co.
001-09761
2850 GOLF ROAD
ROLLING MEADOWS
IL
60008-4050
630-773-3800
Matrix Trust Co
Trustee for Arthur J Gallagher Rabbi Trust
Common Stock
Pershing LLC
One Pershing Plaza
Jersey City
NJ
07399
15000
3799500.00
256300000
09/15/2026
Nasdaq Stock Market
Common Stock
01/01/2012
Open Market Purchase
Open Market
N
15000
01/01/2012
Cash at time of purchase
N
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/18/2026
3095
657410.56
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/23/2026
12954
2793300.25
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/24/2026
11
2409.69
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/25/2026
28
6153.92
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/30/2026
1364
311219.78
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/02/2026
3012
754710.02
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/06/2026
3
751.68
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/10/2026
130
32850.99
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Commons Stock
07/14/2026
775
197163.99
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/17/2026
665
168677.43
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/20/2026
203
51402.09
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/22/2026
251
61008.68
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/30/2026
7038
1803603.06
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/04/2026
520
127370.49
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/05/2026
137
34305.81
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/20/2026
423
110090.88
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/21/2026
145
38101.76
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/25/2026
48
12847.77
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/26/2026
27
7261.97
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/27/2026
147
38257.84
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
09/01/2026
77
20140.28
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
09/02/2026
981
258743.71
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
09/09/2026
115
28262.67
It is anticipated that sales covered by this form will be made within the period beginning 9/15/2026 and ending 12/14/2026.
09/15/2026
Eric Simpson